Holdings
1958 - 1959; 1960,3; 1961 - 1983(1984/87); 1984(1987),1-3; 1985(1985/89),1.3-4; 1986(1988); 1987(1988),1; 1988(1988/89) - 1992(1991); 1993(1993/95),1-3; 1994(1995/96),1-5; 1995,1; 1996(1996/98),1-5; 1997,3/4; 1998,1-2; 1999,1; 2000,1/2; 2002,1-3; 2003,3; 2004,2-3; 2005,1; 2005,3; 2006,2